LLVM and Clang 8.0.0

LLVM and Clang 8.0.0 without realtime, terminfo, and zlib dependencies.

LLVM and Clang 7.0.0

LLVM and Clang 7.0.0 without realtime, terminfo, and zlib dependencies.

LLVM and Clang 6.0.1

LLVM and Clang 6.0.1 without realtime, terminfo, and zlib dependencies.